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Because of the risk of carbon-monoxide (630080) (CO) poisoning, this Alert provides a warning not to use equipment and tools which are powered by gasoline engines inside buildings or spaces which are partially enclosed unless the engine itself can be placed outdoors and away from air intakes. Seven instances of CO poisoning of persons using small gasoline powered engines and tools are briefly described. The early warning signs of CO poisoning (headache, dizziness, and nausea) are nonspecific and may be mistaken for symptoms of other illnesses. CO poisoning causes confusion and weakness which can inhibit a person's ability to escape the hazardous environment. Health effects of CO poisoning, current standards and recommended guidelines, data summarizing CO poisonings, and information supporting the rapid buildup of CO are described and discussed. Recommendations for employers, equipment users, tool rental agencies, and tool manufacturers are presented.

"This Alert warns that using gasoline powered engines and tools indoors is not safe. Four instances of carbon-monoxide (630080) (CO) poisoning are cited. The first involved a farm owner who died of CO poisoning after using an 11 horsepower, gasoline ...

Generators, grills, camp stoves, or other gasoline, propane, natural gas, or charcoal-burning devices should never be used inside a home, basement, garage, or camper—or even outside near an open window. : Every home should have at least one working...

Carbon monoxide, or CO, is an odorless, colorless gas that can cause sudden illness and death. : CO is found in combustion fumes, such as those produced by cars and trucks, small gasoline engines, stoves, lanterns, burning charcoal and wood, and gas ...